287707238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 550556160

約数和(自身を除く): 262848922

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 97, 182, 194, 301, 379, 559, 602, 679, 758, 1118, 1261, 1358, 2522, 2653, 3913, 4171, 4927, 5306, 7826, 8342, 8827, 9854, 16297, 17654, 29197, 32594, 34489, 36763, 54223, 58394, 68978, 73526, 108446, 114079, 211861, 228158, 257341, 379561, 423722, 477919, 514682, 759122, 955838, 1483027, 1580809, 2966054, 3161618, 3345433, 6690866, 11065663, 20550517, 22131326, 41101034, 143853619, 287707238]

約数ペア:

[(1, 287707238), (2, 143853619), (7, 41101034), (13, 22131326), (14, 20550517), (26, 11065663), (43, 6690866), (86, 3345433), (91, 3161618), (97, 2966054), (182, 1580809), (194, 1483027), (301, 955838), (379, 759122), (559, 514682), (602, 477919), (679, 423722), (758, 379561), (1118, 257341), (1261, 228158), (1358, 211861), (2522, 114079), (2653, 108446), (3913, 73526), (4171, 68978), (4927, 58394), (5306, 54223), (7826, 36763), (8342, 34489), (8827, 32594), (9854, 29197), (16297, 17654)]